Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/8588
Title: Search for dark matter particles produced in association with a top quark pair at root s=13 TeV
Authors: Karapınar, Güler
CMS Collaboration
Issue Date: 2019
Publisher: American Physical Society
Abstract: A search is performed for dark matter particles produced in association with a top quark pair in proton-proton collisions at root s = 13 TeV. The data correspond to an integrated luminosity of 35.9 fb(-1) recorded by the CMS detector at the LHC. No significant excess over the standard model expectation is observed. The results are interpreted using simplified models of dark matter production via spin-0 mediators that couple to dark matter particles and to standard model quarks, providing constraints on the coupling strength between the mediator and the quarks. These are the most stringent collider limits to date for scalar mediators, and the most stringent for pseudoscalar mediators at low masses.
Description: PubMed: 31012697
URI: https://doi.org/10.1103/PhysRevLett.122.011803
https://hdl.handle.net/11147/8588
ISSN: 0031-9007
1079-7114
Appears in Collections:PubMed İndeksli Yayınlar Koleksiyonu / PubMed Indexed Publications Collection
Rectorate / Rektörlük
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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